MLADENOV, Galabin. Species of parrots, distribution and description of the kept in Bulgaria as a pets. Bulgarian Journal of Animal Husbandry, [S. l.], v. 56, n. 3, p. 43–62, 2019. Disponível em: https://agriacad.eu/ojs/index.php/bjah/article/view/232.. Acesso em: 16 oct. 2026.